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Troubleshooting
Signal Reception (Time
Calibration Signal)
Q1
The watch cannot perform a receive
operation.
Is the watch’s battery charged?
Signal reception is not possible while
battery power is low. Keep the watch
exposed to light until it recharges
sufficiently.
l
Charging
Is the watch in the Timekeeping Mode or
World Time Mode?
Time signal receive is not possible unless
the watch is in the Timekeeping Mode or
World Time Mode. Enter the Timekeeping
Mode or World Time Mode.
l
Navigating Between Modes
Is your Home City setting correct for your
location?
The watch will not indicate the correct time
if the Home City setting is wrong. Change
your Home City setting so it correctly
reflects your location.
l
Setting a Home City
After checking the above, the watch still
cannot perform a receive operation.
Time calibration signal reception is not
possible under the conditions described
below.
●
When watch is at Level 2 power saving
●
Timer countdown operation in progress
If successful reception is not possible for
some reason, you can adjust the time and
day settings manually.
Q2
The signal receive operation always
fails.
Is the watch in a location that is appropriate
for signal reception?
Check your surroundings and move the
watch to a location where signal reception
is better.
l
Appropriate Signal Reception Location
Did you avoid touching the watch while the
receive operation was in progress?
Minimize movement of the watch and do
not perform any watch operation while a
receive operation is in progress.
Is there an alarm configured to sound
during the same period that the signal
receive operation is performed?
Receive stops if an alarm operation starts
while it is being performed. Disable the
alarm.
l
Turning Off an Alarm or the Hourly
Time Signal
Is the signal transmitter in your area
transmitting a signal?
The transmitter of the time calibration may
not be transmitting a signal.
Try again later.
Q3
Signal reception should have been
successful, but the watch’s time and/
or day is wrong.
Adjust time and day settings manually.
l
Using Watch Operations to Adjust the Time
Setting
Altitude Measurement
Q1
Readings produce different results at
the same location.
Watch readings are different from
altitude information available from
other sources.
Correct altitude readings are not
possible.
Relative altitude is calculated based on
changes in barometric pressure measured by
the watch’s pressure sensor. This means that
barometric pressure changes can cause
readings taken at the same location to be
different. Also note that the value displayed by
the watch may be different from the actual
elevation and/or sea level elevation indicated
for the area where you are located. When
using the watch’s altimeter while mountain
climbing, it is recommended that you regularly
calibrate its readings in accordance with local
altitude (elevation) indications.
l
Calibrating Altitude Readings (Offset)
Q2
[ERR] appears during measurement.
There may be a problem with the sensor. Try
taking another measurement.
If [ERR] keeps appearing after multiple
measurement attempts, contact a CASIO
service center or your original retailer.
Watch Operation Guide 3553
36
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